moved keyboard config to hardware.nix

modules/nixos-modules/hardware.nix

@@ -1,4 +1,9 @@
-{lib, ...}: {
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: {
   options.host.hardware = {
     piperMouse = {
       enable = lib.mkEnableOption "host has a piper mouse";
@@ -16,4 +21,14 @@
       enable = lib.mkEnableOption "can a host be used on its own";
     };
   };
+  config = lib.mkMerge [
+    (lib.mkIf config.host.hardware.piperMouse.enable {
+      services.udev.packages = [pkgs.piper];
+    })
+    (lib.mkIf config.host.hardware.viaKeyboard.enable {
+      hardware.keyboard.qmk.enable = true;
+
+      services.udev.packages = [pkgs.via];
+    })
+  ];
 }

modules/nixos-modules/keyboard.nix

@@ -1,12 +0,0 @@
-{
-  lib,
-  config,
-  pkgs,
-  ...
-}: {
-  config = lib.mkIf config.host.hardware.viaKeyboard {
-    hardware.keyboard.qmk.enable = true;
-
-    services.udev.packages = [pkgs.via];
-  };
-}